Single and paired-pulse electrical stimulation during invasive EEG recordings

Invasive EEG recordings are frequently required during the presurgical exploration of patients with drug-resistant focal epilepsy in order to clarify the epileptic zone location. Intracranial direct electrical stimulations (DES) induce EEG and/or clinical responses that participate in this evaluatio...

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Bibliographic Details
Published in:Revue neurologique 2016-03, Vol.172 (3), p.174-181
Main Authors: Boulogne, S., Ryvlin, P., Rheims, S.
Format: Article
Language:English
Subjects:
Cortical excitability
Direct electrical stimulation
Electric Stimulation - methods
Electroencephalography - instrumentation
Electroencephalography - methods
Epilepsy - diagnosis
Epilepsy - surgery
Humans
Neurosurgical Procedures
Paired-pulse electrical stimulation
Single-pulse electrical stimulation
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Description
Summary:Invasive EEG recordings are frequently required during the presurgical exploration of patients with drug-resistant focal epilepsy in order to clarify the epileptic zone location. Intracranial direct electrical stimulations (DES) induce EEG and/or clinical responses that participate in this evaluation. Clinical DES protocols (1Hz and/or 50Hz) trigger massive cortical activation that can elicit seizures, after-discharges or complex clinical signs. In contrast, low-energy (
ISSN:0035-3787
DOI:10.1016/j.neurol.2016.02.004